Spring:sowing, fertilizing, apply to the grass seeds, small green vegetables seeds, wheat seed, soybean seeds particles, and so on;

Summer: sprinkle sand, spread suitable amount of sand in melon, experienced farmers know that sand heat absorption during the day, thermal dissipation in night , large difference in temperature , be helpful for watermelon to improve Sugar Accumulation. Watermelon is sweeter;

Autumn: fertilizer, a lot of autumn crops, vegetables, fruits, lawn and garden, need fertilization, it can be applied to urea, compound fertilizer, and so on granular fertilizer;

Winter: spread salt, Pavement was covered with snow, the road is skid, vehicles can’t move, especially in their own homes, spread salt on the road, salt can melt the snow.